LogicalDOC is a modern document management system with a nice interface, easy to use and very fast. It uses open source Java technologies such as GWT, Spring, Lucene in order to provide a flexible and scalable DMS solution. http://www.logicaldoc.com

NOTE: iReport/Jaspersoft Studio Support Announcement: As of version 5.5.0, Jaspersoft Studio will be the official design client for JasperReports. iReport will remain as a supported product in maintenance-only mode until December 31, 2015, meaning we will continue to fix critical defects in upcoming releases but no new features will be added to the iReport client. Continue to maintain your existing reports with the new Jaspersoft Studio!
iReport is the most popular visual designer tool for JasperReports Library and JasperReports Server (Business Intelligence). Supports all the most important output formats and virtually any data source.

We extend the Eclipse IDE with tools for development in Haskell, a functional programming language, providing support for a wide range of tools (compilers, interpreters, doc tools etc.) in a coherent, convenient and configurable environment.

GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. Designed for interoperability, it publishes data from any major spatial data source using open standards: WMS, WFS, WCS, WPS and REST

ShellEd is a superb shell script editor for Eclipse. The benefits of this plugin are the integration of man page information for content assist/hover help and the ability to run your project's shell scripts without leaving Eclipse. Check it out!

DrJava is a lightweight programming environment for Java designed to foster test-driven software development. It includes an intelligent program editor, an interactions pane for evaluating program text, a source level debugger, and a unit testing tool.

JasperReports Library, the world's most popular open source business intelligence and reporting engine and JasperReports Server, the most popular open source interactive report server built-on JasperReports Library